Interactive whiteboard



FIG. 1 is a front view of an interactive whiteboard of the claimed design;

FIG. 2 is a perspective front view of the interactive whiteboard shown in FIG. 1; and,

FIG. 3 is a side elevation view of the interactive whiteboard shown in FIGS. 1 and 2.

Broken lines shown in the drawings illustrate portions of the interactive whiteboard, and form no part of the claimed design. 

The ornamental design for an interactive whiteboard, as shown and described. 